Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1989-03-09
1989-11-28
Rosenbaum, Mark
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29258, 29263, 123188AA, B23P 1904
Patent
active
048828297
ABSTRACT:
A device for accurately positioning and automatically aligning correctly each guide sleeve within a bore of a cylinder head includes a base having a lower surface and an upper frustoconical aligning surface for accurately and automatically aligning a valve seat thereon during forcible insertion of a guide sleeve into the respective bore, the base having a bore extending therethrough; a guide rod extending through the bore of the base for insertion into a bore of the cylinder head for automatically and accurately guiding the guide sleeve which is force fit into the respective bore of the cylinder head, the guide rod having an enlarged head at a lower end thereof with a hexagonal outer surface, and outer screw threads at an upper end thereof; a driver cylinder slidably positioned on the guide rod above a guide sleeve to be positioned in a respective bore of the cylinder head; and a hex nut driver threadedly engaged with the upper end of the guide rod for driving the guide sleeve into the respective bore of the cylinder head, the hex nut driver including a hexagonal outer surface.
REFERENCES:
patent: 1468777 (1923-09-01), Edwards
patent: 3050840 (1962-08-01), Dunkerley
patent: 3132237 (1964-05-01), Pribonic
Chin Frances
Rosenbaum Mark
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